This document discusses different models for selecting an ERP software vendor for AutoNexus. It describes the nominal group technique model, which is a structured decision making process involving 5 steps: 1) introduction, 2) silent idea generation, 3) sharing ideas, 4) group discussion, and 5) voting and ranking. This allows all participants to contribute equally while reaching a conclusion through voting. The document also discusses other ERP selection methodology steps like having a structured approach, focused vendor demonstrations, and objective decision criteria. It aims to recommend the best model for AutoNexus to select a vendor from three options.